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Kornerupine
Kornerupine
☒

Star Sapphire
Star Sapphire
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Kornerupine
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Star Sapphire

Kornerupine and Star Sapphire Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.25-3.45
Conchoidal, Uneven
Good on {110}
6.5
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
 
-
-
-
3.90-4.05
-
None
-9999
Al 2O 3Ulrich Henn and Claudio C.

Kornerupine and Star Sapphire Chemical Formula

While comparing Kornerupine and Star Sapphire physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Kornerupine and Star Sapphire chemical formula.

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Kornerupine and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kornerupine and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kornerupine Vs Star Sapphire during the identification of gemstone. Specific gravity of Kornerupine is whereas that of Star Sapphire is .